Culinary grater and slicer



2 Sheets-Sheet 1.

(No Model.)

, B. H. 000K. CULINARY GRATER AND SLIGER.

Patented Feb. 23, 1892.

INVENTOR:

By his Azzo'm m. dnwm m\llllllllllllliiiiii!iiiilililil!lllllllllllllllllililll R WITNESSES:

UNITED STATES PATENT OFFICE.

BURTON I'I. COOK, OF BROOKLYN, NEV YORK.

CULINARY GRATER AND SLICER.

SPECIFICATION forming part of Letters Patent No. 469,354, dated February23, 1892. Application filed August 29, 1891- Serial No. 404.061. (Nomodel.)

To all whom it may concern:

Be it known that I, BURTON H. Cook, a citizen of the United States,residing in Brooklyn, in the county of Kings and State of New York, haveinvented certain new and useful Improvementsin Culinary Graters andSlicers, of which the following is a specification.

This invention relates to kitchen implements for grating or slicing. Itprovides an improved implement by means of which vegetable or othersubstances may be ground or grated to different degrees of fineness ormay be sliced. The implement is of that class employing a rotarycylinder or cylinders as the grating or slicing device, with a crank forturning the cylinder or cylinders. In the case of two cylinders thecrank is applied to one and the other is geared thereto.

My present invention is in part an improvement upon the construction ofculinary grater claimed in my patent, No. 448,794,dated March 24:, 1891.In that grater the rotary grating-cyl inders are mounted in asheet-metal casing divided by a partition into two compartments formedwith inclined bottoms or chutes conducting the grated material throughthe re spective cylinders out at opposite ends of the casing.

My present invention provides a casing made up in part of cast metal andin part of sheet metal and provides an improved means for mounting theaxial shafts of the gratingcylinders.

My invention is also in part an improvement in the construction ofculinary slicers. Such slicers have heretofore been constructed with oneor more slicing blades or knives i11- serted in a stationary or movablepart, so that their cutting-edges should be moved against the materialto be sliced. Thusarotary slicingcylinder has been constructed formedwith longitudinal slots and having slicing knives set in or adjacent tothe slots, so that the slice is cut by the knives and passed through theslots into the interior of the cylinder, whence they are delivered atthe end thereof. Such constructions involve considerable expense; andthe object of my invention is to provide a construction equally suitablefor the purpose which can be manufactured and sold much more cheaplythan those involving separate knife-blades To this end I construct theslicing-cylinder of sheet metal, preferably tinned iron, and I form theslots and out ting-blades by making incisions in the sheet metal andbending it outwardly to a sufficient extent. Thus the slots andslicing-blades are formed both by a single cutting or stampingoperation. The turned-up edges may be subsequently sharpened or may beleft sufficiently sharp for culinary'purposes by the action of thestamping-dies. A slicing-cylinder thus constructed is not only muchcheaper than any heretofore made, but has the further advantage that itis very easily cleaned, having no recesses or inaccessible portions inwhich organic matter may lodge. The cylinder is constructed to beaccessible both interiorly and exteriorly for cleaning.

Figure 1 of the accompanying drawings is a side elevation of thepreferred construction of my improved utensil. Fig. 2 is an end or rearelevation thereof. Fig. 3 is a plan partly in horizontal section. Fig. iis a vertical midsection through the slicing-cylinder, out on the line4. at in Fig. 2. Fig. 5 is a transverse section through theslicing-cylinder on the line 5 5 in Fig. 4.

Let A designate, in general, the frame or casing including all thestationary portions of the utensil.

Let B and B represent the respective grating-cylinders, G the crankconnected to the spindle of one of the cylinders, and D 1) gears forcommunicating motion therefrom to the other cylinder.

The cylinders 13 B consist of sheet metal bent into tubular form andmade slightly conical. They are arranged, as in my said former patent,with the larger end of one cone turned in one direction and the largerend of the other turned in the opposite direction, the upper sides ofthe two cones being arranged approximately horizontal, while their lowersides are pitched suiiiciently to take the grated or sliced material outat the ends of the cones or cylinders. The smaller end ofthe cylinder Bis closed or partly closed by a disk I), while the larger or deliveryend of the cylinder B is in similar manner provided with a disk I),having openings through it sufficient to discharge the ground or gratedmaterial. The disks 1) b are provided with flanges, through which rivetsare passed to securely fasten the ends of the respectivegrating-cylinders to .them. The disks 1) b are mounted upon the ends ofaxial shafts a a, respectively. This may'conveniently be accomplished byforming the shafts and disks integrally. The shafts are arranged to turnin bearings c 0, formed on a supporting-frame E, which extends acrossthe front of the machine and is formed at one end with adownwardly-extending standard E, provided with a clamp or otherfastening device d, by which it may be attached to a table or othersupport. All the parts of the. apparatus are thus mounted upon andsupported by the frame E E.

The stationary casing of the grater consists of apair of hoppers H H,arranged over the respective cylinders, and a pair of sheet metal chutesF F, hung beneath the respective cylinders. The hoppers H H are formedof cast metal and preferably both in one piece. They are curved at theirbottom to closely conform to the grating-cylinders without touchingthem, and they thence flare upwardly toward their tops, which are open.

The hopper-casting is supported from the frame E either by being castintegrally therewith or preferably by being made as a separate castingand fastened thereto by rivets e e, as shown best in Fig. 3, or byscrews or other equivalent fastenings. Theframe E is formed near itsopposite ends with projections 6 e, which pass beneath the projectionsat the ends of the hopper-casting, which are engaged by the rivets.These projections e serve to insure the uniting of the two parts incorrect relative positions and also strengthen their engagement. By thisconstruction the port-ion of the casing comprising the hoppers is madestrong and rigid, and, having no joints or seams, as would be'the caseif made of sheet metal, as formerly, it is easily kept clean.

The chutes F F consist of hoods or aprons of sheet metal formed withinclined bottoms, that for the cylinder B pitching toward the rear,while that for the cylinder B pitches toward the front or crank side ofthe machine. The chutes consequently pitch in the same direction as thelower sides of the gratingcylinders, in order to deliver the grated orsliced material falling through these cylinders at the same side of themachine as the delivery ends of the respective cylinders. The chutes arefastened to and hung from the hopper-casting H H, being attachedthereto, preferably, by riveting. In order to facilitate thisattachment, I form the hoppercasting with downwardly-projecting arms f fat its opposite ends and f f at its middle.

These arms project downwardly sufficiently far to render their endportions accessible for riveting. The upper edges of each chute arefastened to one side by riveting to the two arms ff at one end of thehopper-casting and at the other side by riveting to the arms ff' at themiddle of the hopper-casting. The rivets passing througn these middlearms f f engage the upper side portions of both the chutes. Forconvenience in casting, as well as to facilitate riveting, the arms fare formed on projecting ribs extending a certain distance out from theends of the hopper-casting. The arms f are formed as downwardprolongations from two connecting ribs or projectionsg g, by which thetwo hoppers H H. are joined together. This improved construction forconnecting the chutes to the hoppers enables the machine to be verycheaply manufactured, while the chutes are united in strong andpermanent manner and with the fewest possible fastenings.

The cylinder B is solely a grating-cylinder, being formed withperforations having their edges suitably pressed up or indented to serveas grating-surfaces. Its graters are preferably of two different degreesof fineness, the finer of the two toward one end and the coarser towardthe other end of the cylinder, so that by holding the object to begrated at one end of the hopper it will be finely and by holding it atthe other end it will be comparatively coarsely grated. The cylinderB isboth a grating and a slicing cylinder. From the middle to one end it isfo-faed with grating perforations 7th, which are preferably Very coarse,so that this portion of the cylinder may be used for coarsely grating orchopping. The other end portion of the cylinder constitutes a slicer,being formed with slicingblad es?) iand slotsjj, through which theslices may pass. The slicing-blades, instead of being separateknife-blades attached to the cylinder, as heretofore, are formedintegrally with the cylinder by stamping or striking up the edge of thesheet metal thereof at a suitable angle and causing its edge to projectto a suitable extent beyond the periphery of the cylinder. The slotsjare cut out in a stamping-press, and either at the same time or at asubsequent operation the blades 2' are pressed up at an angle, as shownbestin Fig. 5. These operations are best performed on flat sheet metal,which is subsequently bent into cylindrical or slightly-conical form,its edges being voverlapped and joined together to form the completecylinder. If necessary, the cuttingedges of the blades may be sharpened.This construction has the advantage, as compared with the attachment ofseparate blades to a cylinder, first, of its great cheapness; second, ofgreater simplicity, there being no fastening devices, and, third, ofbeing much more easily kept clean. since there are no spaces orinterstices into which organic matter can find its way, all the surfacesbeing easily accessible from the interior or exterior of the cylinder,so that they may be thoroughly cleaned with the least possible trouble.The angle of upward projection of the blades 2' 1' being invariable,they would underlike conditions cut slices of uniform thickness. It is,however,

desirable at times to cut slices of different thicknesses. To providefor this, I construct the slots jj of a width greater than the upwardprojection of the cutting-edges beyond the periphery of the cylinder,being preferably several times greater. By means of these wide slots thematerial being sliced is unsupported for a considerable distance inadvance of the cutting-edge. It results from this that the operator mayregulate the thickness of the slices to be cut by pressing the materialmore or less firmly against the cylinder. To cut thin slices, he willpress it but slightly against the cylinder, while to cut thicker sliceshe would increase the pressure and thereby force the material to agreater eX- tent down through the slots before the cutting-edges actupon it.

Oneadvantage of my invention as compared with the construction shown inmy said former patent is that the shafts a a of the grating-cylindersare arranged entirely at one end of the cylinders and do not projectwithin them, whereas in my former patent the shafts passed entirelythrough the cylinders and had hearings in the casing at the oppositeends thereof, so that the shafts within the cylinders and thelast-mentioned bearings formed obstructions, rendering it difficult todischarge the sliced or grated material and to gain access to thecylinders for cleaning. By my present invention the entire interior ofboth the cylinders is open and accessible from the rear side of themachine, so that grated material can be easily discharged and they maybe very easily cleaned. The entire interior of the chutes F F is alsoopen and accessible from the rear side of the machine, so that they alsomay be readily cleaned.

It will be understood that my invention is applicable to only a singlegrating or slicing cylinderthat is to say, the cylinder B and its hopperH and chute F and gearing D D may be omitted. The remaining parts willthen constitute a single grater or slicer, ac-- cording as the cylinderB is formed with a grating-surface or with slicing-blades, or, as shown,it may be both a slicer and a grater by being formed at one end withslicingblades and at the other end with grating-surfaces.

My invention may be otherwise modified in many ways. For example, othermeans of supporting the stationary parts of the apparatus may beprovided in lieu of the standard E and its clamp.

I claim as my invention the following defined novel features,substantially as hereinbefore specified, namely:

1. In a culinary utensil, the combination of a grating or cuttingcylinder, a hopper mounted over said cylinder and formed of cast metal,with downwardly-projecting arms at its opposite sides and ends, and asheet-metal chute extending beneath the cylinder and having its oppositesides fastened at their upper edges by riveting to said arms.

2. In a culinary utensil, the combination of a supporting-standard E,formed integrally with a horizontal supporting-frame E, formed withbearing-bosses a a and having upturned arms at its ends, a pair ofcast-metal hop pers H H, having projections at their ends meeting theends of said arms and fastened thereto by rivets or screws, and a pairof grating or cutting cylinders mounted beneath said hoppers on axialshafts turning in said bearing-bosses.

3. In a culinary utensil, the combination of a standard E and horizontalframe E, formed with upturned arms at itsends having projecting lugs e,a pair of cast-metal hoppers H II, having projections at their endsmeeting the ends of said arms and abutting against said lugs andfastened to said arms, and a pair of grating or cutting cylindersmounted beneath said hoppers on axial shafts turning in bearings in saidframe.

4. In a culinary utensil, the combination of two hoppers H H, castintegrally with Webs g g joining them, supporting-frame E E for saidhopper; casting fastened thereto, and grating or cutting cylindersmounted rotatively beneath the hoppers and having hearing in said frame.

5. In a culinary utensil, the combination of cast-metal hoppers H H, asupporting-frame E and standard E, arranged in a vertical plane at oneend of the hoppers, fastened rigidly thereto, and formed withshaft-bearings a a, grating or cutting cylinders mounted beneath saidhoppers on rotative shafts turning in said bearings, and sheet-metalchutes F F, passing beneath the respective cylinders and hung from andfastened to said hoppers, whereby said chutes are supported by saidframe E E through the medium of the hopper-casting.

6. In a culinary utensil, a slicing-cylinder of sheet metal formed withelongated slots and having slicing-blades with outwardlyinclinedcutting-edges formed by bending up the sheet metal at the edges of theslots, said slots being formed of greater width than the projection ofthe cutting-edges of the blades, whereby the thickness of the cut slicesmay be controlled by the operator, as described.

7. In a culinary utensil, the combination, with a stationaryopen-bottomed elongated hopper, of a sheet metal grating and slicingcylinder mounted to revolve beneath it, formed between the middle andone end with grating-surfaces and between the middle and the oppositeend with slicing-blades, said blades formed as the outwardly-turnededges of longitudinal slots out in the metal of the In witness whereof Ihave hereunto signed cylinder and said slots being of greater my name inthe presence of two subscribing [0 Width than the outward projection ofthe cut- Witnesses.

ting-edges, whereby by placing a material in PURTON H COOK one end ofsaid hopper it may be grated or in the other end thereof it may besliced and Witnesses:

by pressing it more or less against the oylin- GEORGE H. FRASER,

der it may be out in thicker or thinner slices. FRED VHITE.

